Finding the Fourth Proportional to 1,420,311.44, 2,130,463.44 and 1,169,987.42
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Solution
The fourth proportional to 1,420,311.44, 2,130,463.44 and 1,169,987.42 is: 1,754,978.07
Step by Step Solution
- Step 1: Write the proportion equation
1,420,311.44 : 2,130,463.44 = 1,169,987.42 : x - Step 2: Convert to fraction form
1,420,311.44/2,130,463.44 = 1,169,987.42/x - Step 3: Cross multiply
1,420,311.44x = 2,130,463.44 × 1,169,987.42 - Step 4: Simplify right side
1,420,311.44x = 2,492,615,423,569.92 - Step 5: Solve for x
x = 2,492,615,423,569.92/1,420,311.44 - Step 6: Final answer
x = 1,754,978.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.